On Thu, 2 Mar 2006 07:46:10 -0700, Paul Dickson wrote: > On Thu, 2 Mar 2006 05:59:12 -0800 (PST), plougher wrote: > > > As the author of Squashfs I'm concerned that people are saying the oops is > > due to Squashfs simply because Squashfs occurs in the stack trace. I'm > > currently trying to track the problem down, and there is a significant > > probability that the cause of the oops is "upstream" in a module before > > Squashfs is called. Currently it is equally likely that the bug is caused > > by Unionfs or elsewhere. > > > > As you are receiving an oops, it would be useful if you could send myself > > the oops message, and answer the following questions: > > > > 1. What hardware are you using? i.e. what processor. Is it > > uniprocessor/SMP or is hyperthreading available and enabled? How much > > memory do you have (this is unlikely to be significant, but you never know)? > > Pentium-M. Uniprocessor, hyperthreading not available. 512 MB. > [...] > > > 2. Does this oops always occur, or only sometimes? Does the oops ever > > change in any way? > > For my two boots, it happened both times. > > > 3. What version of the liveCD did you use? (this is so I can download a > > copy). > > Edubuntu 6.04 i386 (Flight 4) > > I'll try to get a copy of the oops later today.
Here the dmesg contents: DMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0xBFA0 irq 14 [4294674.273000] ata1: dev 0 cfg 49:0f00 82:746b 83:7fe8 84:4023 85:f469 86:3c48 87:4023 88:203f [4294674.273000] ata1: dev 0 ATA-6, max UDMA/100, 117210240 sectors: LBA48 [4294674.273000] ata1(0): applying bridge limits [4294674.273000] ata1: dev 0 configured for UDMA/100 [4294674.273000] scsi0 : ata_piix [4294674.274000] Vendor: ATA Model: IC25N060ATMR04-0 Rev: MO3O [4294674.274000] Type: Direct-Access ANSI SCSI revision: 05 [4294674.274000] ata2: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xBFA8 irq 15 [4294674.595000] ata2: dev 0 cfg 49:0f00 82:0210 83:4011 84:4000 85:0000 86:0001 87:4000 88:0407 [4294674.595000] ata2: dev 0 ATAPI, max UDMA/33 [4294674.595000] ata2(0): applying bridge limits [4294674.595000] ata2: dev 0 configured for UDMA/33 [4294674.595000] scsi1 : ata_piix [4294674.596000] Vendor: TSSTcorp Model: CDRW/DVD TSL462C Rev: DE01 [4294674.596000] Type: CD-ROM ANSI SCSI revision: 05 [4294674.608000] SCSI device sda: 117210240 512-byte hdwr sectors (60012 MB) [4294674.608000] SCSI device sda: drive cache: write back [4294674.610000] SCSI device sda: 117210240 512-byte hdwr sectors (60012 MB) [4294674.610000] SCSI device sda: drive cache: write back [4294674.610000] sda: sda1 sda2 sda3 sda4 [4294674.658000] sd 0:0:0:0: Attached scsi disk sda [4294674.671000] sr0: scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cdda tray [4294674.671000] Uniform CD-ROM driver Revision: 3.20 [4294674.672000] sr 1:0:0:0: Attached scsi CD-ROM sr0 [4294674.897000] usbcore: registered new driver usbfs [4294674.897000] usbcore: registered new driver hub [4294674.898000] USB Universal Host Controller Interface driver v2.3 [4294674.898000] ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 193 [4294674.898000] PCI: Setting latency timer of device 0000:00:1d.0 to 64 [4294674.898000] uhci_hcd 0000:00:1d.0: UHCI Host Controller [4294674.899000] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1 [4294674.899000] uhci_hcd 0000:00:1d.0: irq 193, io base 0x0000bf80 [4294674.900000] hub 1-0:1.0: USB hub found [4294674.900000] hub 1-0:1.0: 2 ports detected [4294674.973000] ieee1394: Initialized config rom entry `ip1394' [4294675.001000] ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 177 [4294675.001000] PCI: Setting latency timer of device 0000:00:1d.1 to 64 [4294675.001000] uhci_hcd 0000:00:1d.1: UHCI Host Controller [4294675.001000] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2 [4294675.001000] uhci_hcd 0000:00:1d.1: irq 177, io base 0x0000bf60 [4294675.001000] hub 2-0:1.0: USB hub found [4294675.001000] hub 2-0:1.0: 2 ports detected [4294675.102000] ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 201 [4294675.102000] PCI: Setting latency timer of device 0000:00:1d.2 to 64 [4294675.102000] uhci_hcd 0000:00:1d.2: UHCI Host Controller [4294675.102000] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3 [4294675.102000] uhci_hcd 0000:00:1d.2: irq 201, io base 0x0000bf40 [4294675.102000] hub 3-0:1.0: USB hub found [4294675.102000] hub 3-0:1.0: 2 ports detected [4294675.203000] ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 19 (level, low) -> IRQ 169 [4294675.203000] PCI: Setting latency timer of device 0000:00:1d.3 to 64 [4294675.203000] uhci_hcd 0000:00:1d.3: UHCI Host Controller [4294675.203000] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4 [4294675.203000] uhci_hcd 0000:00:1d.3: irq 169, io base 0x0000bf20 [4294675.203000] hub 4-0:1.0: USB hub found [4294675.203000] hub 4-0:1.0: 2 ports detected [4294675.305000] ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 16 (level, low) -> IRQ 193 [4294675.305000] PCI: Setting latency timer of device 0000:00:1d.7 to 64 [4294675.305000] ehci_hcd 0000:00:1d.7: EHCI Host Controller [4294675.305000] ehci_hcd 0000:00:1d.7: debug port 1 [4294675.305000] PCI: cache line size of 32 is not supported by device 0000:00:1d.7 [4294675.306000] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5 [4294675.306000] ehci_hcd 0000:00:1d.7: irq 193, io mem 0xffa80800 [4294675.309000] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 [4294675.310000] hub 5-0:1.0: USB hub found [4294675.310000] hub 5-0:1.0: 8 ports detected [4294675.411000] ohci1394: $Rev: 1313 $ Ben Collins <[EMAIL PROTECTED]> [4294675.411000] ACPI: PCI Interrupt 0000:03:01.1[B] -> GSI 18 (level, low) -> IRQ 201 [4294675.465000] ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[201] MMIO=[dfdfc800-dfdfcfff] Max Packet=[2048] [4294676.730000] ieee1394: Host added: ID:BUS[0-00:1023] GUID[394fc000054a9ce1] [4294682.811000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294682.811000] sr0: Current: sense key: Medium Error [4294682.811000] Additional sense: L-EC uncorrectable error [4294682.811000] Info fld=0x0 [4294682.811000] end_request: I/O error, dev sr0, sector 1300776 [4294682.811000] Buffer I/O error on device sr0, logical block 162597 [4294688.108000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294688.108000] sr0: Current: sense key: Medium Error [4294688.108000] Additional sense: L-EC uncorrectable error [4294688.108000] Info fld=0x0 [4294688.108000] end_request: I/O error, dev sr0, sector 1300776 [4294688.108000] Buffer I/O error on device sr0, logical block 162597 [4294693.426000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294693.426000] sr0: Current: sense key: Medium Error [4294693.426000] Additional sense: L-EC uncorrectable error [4294693.426000] Info fld=0x0 [4294693.426000] end_request: I/O error, dev sr0, sector 1300776 [4294693.426000] Buffer I/O error on device sr0, logical block 162597 [4294698.765000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294698.765000] sr0: Current: sense key: Medium Error [4294698.765000] Additional sense: L-EC uncorrectable error [4294698.765000] Info fld=0x0 [4294698.765000] end_request: I/O error, dev sr0, sector 1300776 [4294698.765000] Buffer I/O error on device sr0, logical block 162597 [4294704.147000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294704.147000] sr0: Current: sense key: Medium Error [4294704.147000] Additional sense: L-EC uncorrectable error [4294704.147000] Info fld=0x0 [4294704.147000] end_request: I/O error, dev sr0, sector 1300776 [4294704.147000] Buffer I/O error on device sr0, logical block 162597 [4294709.497000] sr 1:0:0:0: SCSI error: return code = 0x8000002 [4294709.497000] sr0: Current: sense key: Medium Error [4294709.497000] Additional sense: L-EC uncorrectable error [4294709.497000] Info fld=0x0 [4294709.497000] end_request: I/O error, dev sr0, sector 1300776 [4294709.497000] Buffer I/O error on device sr0, logical block 162597 [4294710.045000] ISO 9660 Extensions: Microsoft Joliet Level 3 [4294710.120000] ISO 9660 Extensions: RRIP_1991A [4294710.152000] loop: loaded (max 8 devices) [4294710.167000] Registering unionfs 1.1.1 [4294710.462000] squashfs: version 3.0prerelease (2006/1/24) Phillip Lougher [4294812.465000] b44.c:v0.97 (Nov 30, 2005) [4294812.465000] ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 18 (level, low) -> IRQ 201 [4294812.468000] eth0: Broadcom 4400 10/100BaseT Ethernet 00:11:43:76:e0:2c [4294821.747000] Linux agpgart interface v0.101 (c) Dave Jones [4294822.242000] hw_random: cannot enable RNG, aborting [4294822.291000] agpgart: Detected an Intel 915GM Chipset. [4294822.292000] agpgart: Detected 7932K stolen memory. [4294822.308000] agpgart: AGP aperture is 256M @ 0xc0000000 [4294822.609000] NET: Registered protocol family 17 [4294822.829000] Real Time Clock Driver v1.12 [4294822.832000] sd 0:0:0:0: Attached scsi generic sg0 type 0 [4294822.832000] sr 1:0:0:0: Attached scsi generic sg1 type 5 [4294823.259000] input: PC Speaker as /class/input/input1 [4294823.347000] ieee80211_crypt: registered algorithm 'NULL' [4294823.413000] ieee80211: 802.11 data/management/control stack, git-1.1.7 [4294823.413000] ieee80211: Copyright (C) 2004-2005 Intel Corporation <[EMAIL PROTECTED]> [4294823.797000] input: PS/2 Mouse as /class/input/input2 [4294823.819000] input: AlpsPS/2 ALPS GlidePoint as /class/input/input3 [4294824.242000] ACPI: PCI Interrupt 0000:03:01.0[A] -> GSI 19 (level, low) -> IRQ 169 [4294824.242000] Yenta: CardBus bridge found at 0000:03:01.0 [1028:0188] [4294824.364000] Yenta: ISA IRQ mask 0x04b8, PCI irq 169 [4294824.364000] Socket status: 30000006 [4294824.364000] pcmcia: parent PCI bridge Memory window: 0xdfd00000 - 0xdfdfffff [4294824.364000] pcmcia: parent PCI bridge Memory window: 0x30000000 - 0x31ffffff [4294824.635000] ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 16 (level, low) -> IRQ 193 [4294824.635000] PCI: Setting latency timer of device 0000:00:1e.2 to 64 [4294824.723000] b44: eth0: Link is up at 100 Mbps, full duplex. [4294824.723000] b44: eth0: Flow control is on for TX and on for RX. [4294824.791000] ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, 1.0.10 [4294824.791000] ipw2200: Copyright(c) 2003-2005 Intel Corporation [4294824.911000] sdhci: Secure Digital Host Controller Interface driver, 0.10 [4294824.911000] sdhci: Copyright(c) Pierre Ossman [4294824.916000] ts: Compaq touchscreen protocol output [4294825.432000] cs: IO port probe 0x100-0x3af: excluding 0x370-0x377 [4294825.434000] cs: IO port probe 0x3e0-0x4ff: excluding 0x3f0-0x3f7 [4294825.434000] cs: IO port probe 0x820-0x8ff: clean. [4294825.435000] cs: IO port probe 0xc00-0xcf7: clean. [4294825.436000] cs: IO port probe 0xa00-0xaff: clean. [4294825.446000] intel8x0_measure_ac97_clock: measured 50487 usecs [4294825.446000] intel8x0: clocking to 48000 [4294825.448000] ACPI: PCI Interrupt 0000:03:03.0[A] -> GSI 17 (level, low) -> IRQ 177 [4294825.448000] ipw2200: Detected Intel PRO/Wireless 2200BG Network Connection [4294825.463000] ACPI: PCI Interrupt 0000:03:01.2[C] -> GSI 17 (level, low) -> IRQ 177 [4294825.526000] sdhci: ============== REGISTER DUMP ============== [4294825.526000] sdhci: Sys addr: 0x00000000 | Version: 0x00000200 [4294825.526000] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000 [4294825.526000] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000 [4294825.526000] sdhci: Present: 0x01f20000 | Host ctl: 0x00000000 [4294825.526000] sdhci: Power: 0x00000000 | Blk gap: 0x00000000 [4294825.526000] sdhci: Walk up: 0x00000000 | Clock: 0x00000000 [4294825.526000] sdhci: Timeout: 0x0000000e | Int stat: 0x00000000 [4294825.526000] sdhci: Int enab: 0xe1ff00cf | Sig enab: 0xe1ff00cf [4294825.526000] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 [4294825.526000] sdhci: Caps: 0x01e021a1 | Max curr: 0x00000040 [4294825.526000] sdhci: =========================================== [4294825.576000] mmc0: SDHCI at 0xdfdfc700 irq 177 DMA [4294826.565000] ipw2200: Radio Frequency Kill Switch is On: [4294826.565000] Kill switch must be turned off for wireless networking to work. [4294826.800000] Adding 1959920k swap on /dev/sda3. Priority:-1 extents:1 across:1959920k [4294827.058000] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 [4294827.058000] md: bitmap version 4.39 [4294827.318000] device-mapper: 4.4.0-ioctl (2005-01-12) initialised: [EMAIL PROTECTED] [4294829.937000] NET: Registered protocol family 10 [4294829.938000] lo: Disabled Privacy Extensions [4294829.940000] IPv6 over IPv4 tunneling driver [4294831.528000] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [4294831.528000] printing eip: [4294831.528000] 402e919f [4294831.528000] *pde = 00000000 [4294831.528000] Oops: 0002 [#1] [4294831.528000] PREEMPT [4294831.528000] Modules linked in: ipv6 dm_mod md_mod pcmcia joydev tsdev sdhci ipw2200 snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss yenta_socket rsrc_nonstatic pcmcia_core snd_pcm psmouse mmc_core ieee80211 ieee80211_crypt pcspkr serio_raw sg rtc af_packet snd_timer snd intel_agp soundcore snd_page_alloc agpgart evdev b44 mii squashfs unionfs loop nls_cp437 isofs ohci1394 ieee1394 ehci_hcd uhci_hcd usbcore sr_mod cdrom sd_mod generic ata_piix ahci libata scsi_mod thermal processor fan capability commoncap vesafb cfbcopyarea cfbimgblt cfbfillrect fbcon tileblit font bitblit softcursor [4294831.528000] CPU: 0 [4294831.528000] EIP: 0060:[<402e919f>] Not tainted VLI [4294831.528000] EFLAGS: 00010002 (2.6.15-15-386) [4294831.528000] EIP is at __down+0x5f/0x120 [4294831.528000] eax: 51affcf0 ebx: 51afe000 ecx: 51afe000 edx: 00000000 [4294831.528000] esi: 5e173c24 edi: 00000206 ebp: 5e173c2c esp: 51affce0 [4294831.528000] ds: 007b es: 007b ss: 0068 [4294831.528000] Process readahead-list (pid: 4517, threadinfo=51afe000 task=51538550) [4294831.528000] Stack: 51538550 00000001 51538550 40118270 5e173c2c 00000000 51afe000 00093c24 [4294831.528000] 00000000 00000000 402e7b2f 51afe000 5e173b40 6076eb7b 5e173c24 5e173c4c [4294831.528000] 5e173b40 51afe000 5cae7090 403e1ab4 51afe000 51afe000 5e5ac268 5cae7090 [4294831.528000] Call Trace: [4294831.528000] [<40118270>] default_wake_function+0x0/0x20 [4294831.528000] [<402e7b2f>] __down_failed+0x7/0xc [4294831.528000] [<6076eb7b>] .text.lock.inode+0xaf/0x174 [squashfs] [4294831.528000] [<6076d07f>] squashfs_readpage+0x13f/0x540 [squashfs] [4294831.528000] [<4017701d>] dput+0x10d/0x2c0 [4294831.528000] [<4017c88c>] mntput_no_expire+0x1c/0x90 [4294831.528000] [<4016e00b>] __link_path_walk+0xe2b/0xfd0 [4294831.528000] [<4017701d>] dput+0x10d/0x2c0 [4294831.528000] [<4017c88c>] mntput_no_expire+0x1c/0x90 [4294831.528000] [<607e4a8d>] inode_permission+0x11d/0x1d0 [unionfs] [4294831.528000] [<401d9f75>] radix_tree_node_alloc+0x15/0x60 [4294831.528000] [<401da23f>] radix_tree_insert+0xff/0x140 [4294831.528000] [<4013edd6>] add_to_page_cache+0x46/0xb0 [4294831.528000] [<401464ec>] read_pages+0xac/0x130 [4294831.528000] [<40143c4e>] __alloc_pages+0x4e/0x2e0 [4294831.528000] [<401466e1>] __do_page_cache_readahead+0x171/0x1d0 [4294831.528000] [<40146783>] force_page_cache_readahead+0x43/0xa0 [4294831.528000] [<4013fe69>] do_readahead+0x39/0x40 [4294831.528000] [<4013fee6>] sys_readahead+0x76/0x90 [4294831.528000] [<4010302b>] sysenter_past_esp+0x54/0x79 [4294831.528000] Code: 0c 70 82 11 40 c7 02 02 00 00 00 9c 5f fa ff 40 14 8d 6e 08 83 4c 24 04 01 8b 55 04 8d 44 24 10 89 45 04 89 6c 24 10 89 54 24 14 <89> 02 8b 46 04 8d 50 01 89 56 04 01 06 0f 98 c0 84 c0 75 7e c7 [4294831.528000] <6>note: readahead-list[4517] exited with preempt_count 1 [4294832.923000] ACPI: AC Adapter [AC] (on-line) [4294833.284000] ACPI: Battery Slot [BAT0] (battery present) [4294833.335000] ACPI: Lid Switch [LID] [4294833.335000] ACPI: Power Button (CM) [PBTN] [4294833.335000] ACPI: Sleep Button (CM) [SBTN] [4294833.418000] ibm_acpi: ec object not found [4294833.509000] ACPI: Video Device [VID] (multi-head: yes rom: no post: no) [4294833.510000] ACPI: Video Device [VID] (multi-head: yes rom: no post: no) [4294833.510000] ACPI: Video Device [VID2] (multi-head: yes rom: no post: no) [4294840.177000] eth0: no IPv6 routers present [4294849.136000] apm: BIOS not found. [4294862.959000] Bluetooth: Core ver 2.8 [4294862.970000] NET: Registered protocol family 31 [4294862.980000] Bluetooth: HCI device and connection manager initialized [4294862.991000] Bluetooth: HCI socket layer initialized [4294863.347000] Bluetooth: L2CAP ver 2.8 [4294863.358000] Bluetooth: L2CAP socket layer initialized [4294863.371000] Bluetooth: RFCOMM socket layer initialized [4294863.381000] Bluetooth: RFCOMM TTY layer initialized [4294863.391000] Bluetooth: RFCOMM ver 1.6 -- edubuntu-devel mailing list edubuntu-devel@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/edubuntu-devel